# Iron Filings

> Thousands of iron filings that line up along a real bar-magnet field. The cursor carries the magnet; click to drop more and watch their field lines merge. Canvas 2D, pauses off-screen, respects reduced motion, keyboard: Enter drops a magnet, Escape clears.

- Author: [Neebarp](https://21st.dev/@neebarp)
- License: mit
- Live preview: https://21st.dev/@neebarp/components/iron-filings

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/neebarp/iron-filings?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt